<template>
  <div class="app-container">
    <el-form
      :model="queryParams"
      ref="queryForm"
      size="small"
      :inline="true"
      v-show="showSearch"
      label-width="75px"
    >
      <el-form-item label="班级名称" prop="name">
        <el-input
          v-model="queryParams.name"
          placeholder="请输入班级名称"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="年级" prop="year">
        <el-input
          v-model="queryParams.year"
          placeholder="请输入年级"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="年级名称" prop="gradeName">
        <el-input
          v-model="queryParams.gradeName"
          placeholder="请输入年级名称"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="学生人数" prop="studentNum">
        <el-input
          v-model="queryParams.studentNum"
          placeholder="请输入学生人数"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <!-- <el-form-item label="辅导员id" prop="counsellorId">
        <el-input
          v-model="queryParams.counsellorId"
          placeholder="请输入辅导员id"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item> -->
      <el-form-item label="辅导员名称" prop="counsellorName" label-width="90px">
        <el-input
          v-model="queryParams.counsellorName"
          placeholder="请输入辅导员名称"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <!-- <el-form-item label="专业id" prop="deptId">
        <el-input
          v-model="queryParams.deptId"
          placeholder="请输入专业id"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item> -->
      <el-form-item label="所属专业" prop="deptId">
              <treeselect v-model="queryParams.deptId" :options="deptOptions" :show-count="true" placeholder="请选择专业" />
            </el-form-item>
      <!-- <el-form-item label="学院id" prop="collegeId">
        <el-input
          v-model="queryParams.collegeId"
          placeholder="请输入学院id"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item> -->
      <!-- <el-form-item label="学院名称" prop="collegeName">
        <el-input
          v-model="queryParams.collegeName"
          placeholder="请输入学院名称"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item> -->
      <el-form-item>
        <el-button
          type="primary"
          icon="el-icon-search"
          size="mini"
          @click="handleQuery"
          >搜索</el-button
        >
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery"
          >重置</el-button
        >
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['edu:class:add']"
          >新增</el-button
        >
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['edu:class:edit']"
          >修改</el-button
        >
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['edu:class:remove']"
          >删除</el-button
        >
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="el-icon-download"
          size="mini"
          @click="handleExport"
          v-hasPermi="['edu:class:export']"
          >导出</el-button
        >
      </el-col>
      <el-col :span="1.5">
            <el-button
              type="info"
              plain
              icon="el-icon-upload2"
              size="mini"
              @click="handleImport"
              v-hasPermi="['edu:class:import']"
              >导入</el-button>
          </el-col>
      <right-toolbar
        :showSearch.sync="showSearch"
        @queryTable="getList"
      ></right-toolbar>
    </el-row>

    <el-table
      v-loading="loading"
      :data="classList"
      @selection-change="handleSelectionChange"
    >
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="班级名称" align="center" prop="name" />
      <el-table-column label="年级" align="center" prop="year" />
      <el-table-column label="年级名称" align="center" prop="gradeName" />
      <el-table-column label="学生人数" align="center" prop="studentNum" />
      <el-table-column label="辅导员名称" align="center" prop="counsellorName"/>
      <el-table-column label="专业名称" align="center" prop="deptName" />
      <el-table-column label="备注" align="center" prop="remark" />
      <el-table-column label="学院名称" align="center" prop="collegeName" />
      <el-table-column
        label="操作"
        align="center"
        class-name="small-padding fixed-width"
      >
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['edu:class:edit']"
            >修改</el-button
          >
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['edu:class:remove']"
            >删除</el-button
          >
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total > 0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改班级对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="580px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="班级名称" prop="name">
          <el-input v-model="form.name" placeholder="请输入班级名称" />
        </el-form-item>

        <el-form-item label="年级" prop="year">
          <!-- <el-input v-model="form.year" placeholder="请输入年级" /> -->

          <el-select v-model="form.year" placeholder="请选择入学年份">  
            <el-option  
              v-for="dict in time"
              :key="dict.item"
              :label="dict"
              :value="dict"
            ></el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="年级名称" prop="gradeName">
          <el-input v-model="form.gradeName" placeholder="请输入年级名称" />
        </el-form-item>
        <el-form-item label="学生人数" prop="studentNum">
          <el-input v-model="form.studentNum" placeholder="请输入学生人数" />
        </el-form-item>
        <!-- <el-form-item label="辅导员名称" prop="counsellorName"> -->
          <!-- <el-input
            v-model="form.counsellorName"
            placeholder="请输入辅导员名称"
          /> -->
          <el-form-item label="辅导员名称" prop="counsellorName" label-width="90px">
          <el-select 
          v-model="form.counsellorName" 
          filterable 
          placeholder="请选择" 
          remote
          :loading="counsellorLoading"
          :remote-method="counsellorRemoteMethod">
               <el-option
               v-for="item in counsellorList"
               :key="item.userId"
              :label="item.nickName"
               :value="item.nickName">
             </el-option>
       </el-select>
        <!-- </el-form-item> -->
        </el-form-item>

        <el-form-item label="专业名称" prop="deptname">
          <!-- <el-input v-model="form.deptName" placeholder="请输入专业名称" /> -->
          <!-- <el-select v-model="form.deptName" placeholder="请输入专业名称">
            <el-option
              v-for="dict in deptOptions"
              :key="dict.classId"
              :label="dict.deptName"
              :value="dict.deptName"
            ></el-option>
          </el-select> -->
          <treeselect v-model="form.deptId" :options="deptOptions"    :show-count="true" placeholder="请选择归属专业" @select="deptInput" />
        </el-form-item>
  
        <el-form-item label="备注" prop="remark">
          <el-input
            v-model="form.remark"
            type="textarea"
            placeholder="请输入内容"
          />
        </el-form-item>
   
        <!-- <el-form-item label="学院名称" prop="collegeName"> -->
          <!-- <el-input v-model="form.collegeName" placeholder="请输入学院名称" /> -->
          <!-- <treeselect v-model="form.deptId" :options="deptOptions" :show-count="true" placeholder="请选择归属部门" /> -->
          
        <!-- </el-form-item> -->
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>

    <!-- 导入对话框 -->
    <el-dialog :title="importUpload.title" :visible.sync="importUpload.open" width="400px" append-to-body>
      <el-upload
        ref="importUpload"
        :limit="1"
        accept=".xlsx, .xls"
        :headers="importUpload.headers"
        :action="importUpload.url + '?updateSupport=' + importUpload.updateSupport"
        :disabled="importUpload.isUploading"
        :on-progress="handleFileUploadProgress"
        :on-success="handleFileSuccess"
        :auto-upload="false"
        drag
      >
        <i class="el-icon-upload"></i>
        <div class="el-upload__text">将文件拖到此处，或<em>点击上传</em></div>
        <div class="el-upload__tip text-center" slot="tip">
          <!-- <div class="el-upload__tip" slot="tip">
            <el-checkbox v-model="importUpload.updateSupport" /> 是否更新已经存在的用户数据
          </div> -->
          <span>仅允许导入xls、xlsx格式文件。</span>
          <el-link type="primary" :underline="false" style="font-size:12px;vertical-align: baseline;" @click="importTemplate">下载模板</el-link>
        </div>
      </el-upload>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitFileForm">确 定</el-button>
        <el-button @click="upload.open = false">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import {
  listClass,
  getClass,
  delClass,
  addClass,
  updateClass,
} from "@/api/edu/class";
import {listCounsellor, deptTreeSelect } from "@/api/system/user";
import Treeselect from "@riophae/vue-treeselect";
import "@riophae/vue-treeselect/dist/vue-treeselect.css";
import { getToken } from "@/utils/auth";

export default {
  name: "Class",
  components: { Treeselect },
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      counsellorList:null,
      // 班级表格数据
      classList: [],
      uniqueArray:[],
      deptOptions: undefined,
      //年份最近
      currentTime: new Date().getFullYear(),
      time: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        name: null,
        year: null,
        gradeName: null,
        studentNum: null,
        // counsellorId: null,
        counsellorName: null,
        deptId: null,
        
        deptName: null,
        collegeId: null,
        collegeName: null,
     
   
      },
      // 表单参数
      form: {},
   
      // 表单校验
      rules: {
        updateTime: [
          { required: true, message: "更新时间不能为空", trigger: "blur" },
        ],
      },
      counsellorLoading:false,
      importUpload: {
        // 是否显示弹出层（用户导入）
        open: false,
        // 弹出层标题（用户导入）
        title: "",
        // 是否禁用上传
        isUploading: false,
        // 是否更新已经存在的用户数据
        updateSupport: 0,
        // 设置上传的请求头部
        headers: { Authorization: "Bearer " + getToken() },
        // 上传的地址
        url: process.env.VUE_APP_BASE_API + "/edu/class/importData"
      },
    };
  },
  created() {
    this.getList();
    this.getDeptTree();
  
  },
  methods: {
      /**
     * 导入
     */
    // 提交上传文件
    submitFileForm() {
      this.$refs.importUpload.submit();
    },
    /** 下载模板操作 */
    importTemplate() {
      this.download('edu/class/importTemplate', {
      }, `edu_class_${new Date().getTime()}.xlsx`)
    },
    // 文件上传中处理
    handleFileUploadProgress(event, file, fileList) {
      this.importUpload.isUploading = true;
    },
    handleFileSuccess(response, file, fileList) {
      this.importUpload.open = false;
      this.importUpload.isUploading = false;
      this.$refs.importUpload.clearFiles();
      this.$alert("<div style='overflow: auto;overflow-x: hidden;max-height: 70vh;padding: 10px 20px 0;'>" + response.msg + "</div>", "导入结果", { dangerouslyUseHTMLString: true });
      this.getList();
    },
    handleImport(){
      this.importUpload.open = true;
    },
    /** 查询班级列表 */
    getList() {
        this.loading = true;
        listClass(this.queryParams).then((response) => {
          this.classList = response.rows;
          this.total = response.total;
          this.loading = false;
        });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        classId: null,
        name: null,
        year: null,
        gradeName: null,
        studentNum: null,
        counsellorId: null,
        counsellorName: null,
        deptId: null,
        deptName: null,
        delFlag: null,
        createBy: null,
        createTime: null,
        updateBy: null,
        updateTime: null,
        remark: null,
        collegeId: null,
        collegeName: null,
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map((item) => item.classId);
      this.single = selection.length !== 1;
      this.multiple = !selection.length;
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加班级";
      this.counsellorRemoteMethod(""),
      this.generateYears();
     
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const classId = row.classId || this.ids;
      getClass(classId).then((response) => {
        this.form = response.data;
        this.open = true;
        this.title = "修改班级";
      });
      this.getDeptTree();
      this.counsellorRemoteMethod("")
    },
    getDeptTree() {
      deptTreeSelect().then(response => {
        this.deptOptions = response.data;
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate((valid) => {
        if (valid) {
          if (this.form.classId != null) {
            updateClass(this.form).then((response) => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addClass(this.form).then((response) => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      console.log(row);
      const classIds = row.classId ||  this.ids ;
      this.$modal
        .confirm('是否确认删除班级名称为"' + classIds + '"的数据项？')
        .then(function () {
          return delClass(classIds);
        })
        .then(() => {
          this.getList();
          this.$modal.msgSuccess("删除成功");
        })
        .catch(() => {});
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download(
        "edu/class/export",
        {
          ...this.queryParams,
        },
        `class_${new Date().getTime()}.xlsx`
      );
    },
        //远程获取辅导员
        counsellorRemoteMethod(query){
      if(!this.counsellorList){
        this.counsellorLoading = true
        listCounsellor(query).then(res =>{
          console.log(res)
          this.counsellorList = res.data
          this.counsellorLoading = false
        }).catch(err =>{
          console.log(err)
          this.$modal.msgError(err.message);
        })
      }
      
    },
// 获取时间 
generateYears() {
      const currentYear = new Date().getFullYear();
      for (let i = -4; i <= 4; i++) {
        this.time.push(currentYear + i);
      }
    },
    deptInput(val){
      console.log(val);
      this.form.deptName = val.name
    }

  },
};
</script>
